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Side-by-side financial comparison of SILICON LABORATORIES INC. (SLAB) and WILLIS LEASE FINANCE CORP (WLFC). Click either name above to swap in a different company.

SILICON LABORATORIES INC. is the larger business by last-quarter revenue ($208.2M vs $193.6M, roughly 1.1× WILLIS LEASE FINANCE CORP). On growth, WILLIS LEASE FINANCE CORP posted the faster year-over-year revenue change (26.7% vs 25.2%). WILLIS LEASE FINANCE CORP produced more free cash flow last quarter ($66.2M vs $-1.6M). Over the past eight quarters, SILICON LABORATORIES INC.'s revenue compounded faster (39.9% CAGR vs 27.5%).

Silicon Laboratories, Inc., commonly referred to as Silicon Labs, is a fabless global technology company that designs and manufactures semiconductors, other silicon devices and software, which it sells to electronics design engineers and manufacturers in Internet of Things (IoT) infrastructure worldwide.

Willis Lease Finance Corp is a leading global independent provider of commercial aviation asset solutions. It primarily leases and sells commercial aircraft engines, auxiliary power units and other aviation spare parts, serving airline operators, MRO providers and other aviation industry participants across major global markets.

SLAB vs WLFC — Head-to-Head

Bigger by revenue
SLAB
SLAB
1.1× larger
SLAB
$208.2M
$193.6M
WLFC
Growing faster (revenue YoY)
WLFC
WLFC
+1.5% gap
WLFC
26.7%
25.2%
SLAB
More free cash flow
WLFC
WLFC
$67.9M more FCF
WLFC
$66.2M
$-1.6M
SLAB
Faster 2-yr revenue CAGR
SLAB
SLAB
Annualised
SLAB
39.9%
27.5%
WLFC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
SLAB
SLAB
WLFC
WLFC
Revenue
$208.2M
$193.6M
Net Profit
Gross Margin
63.4%
Operating Margin
-1.6%
7.3%
Net Margin
Revenue YoY
25.2%
26.7%
Net Profit YoY
EPS (diluted)
$-0.07
$1.50

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
SLAB
SLAB
WLFC
WLFC
Q1 26
$208.2M
Q4 25
$206.0M
$193.6M
Q3 25
$192.8M
$183.4M
Q2 25
$177.7M
$195.5M
Q1 25
$157.7M
Q4 24
$166.2M
$152.8M
Q3 24
$166.4M
$146.2M
Q2 24
$145.4M
$151.1M
Net Profit
SLAB
SLAB
WLFC
WLFC
Q1 26
Q4 25
$-9.9M
Q3 25
$-21.8M
$24.3M
Q2 25
$60.4M
Q1 25
$16.9M
Q4 24
Q3 24
$-28.5M
$24.1M
Q2 24
$-82.2M
$42.6M
Gross Margin
SLAB
SLAB
WLFC
WLFC
Q1 26
63.4%
Q4 25
57.8%
Q3 25
56.1%
Q2 25
55.0%
Q1 25
Q4 24
54.3%
Q3 24
54.3%
Q2 24
52.7%
Operating Margin
SLAB
SLAB
WLFC
WLFC
Q1 26
-1.6%
Q4 25
-6.0%
7.3%
Q3 25
-11.9%
20.7%
Q2 25
-18.1%
14.5%
Q1 25
15.2%
Q4 24
-17.2%
19.2%
Q3 24
-17.9%
23.0%
Q2 24
-33.0%
35.8%
Net Margin
SLAB
SLAB
WLFC
WLFC
Q1 26
Q4 25
-4.8%
Q3 25
-11.3%
13.3%
Q2 25
30.9%
Q1 25
10.7%
Q4 24
Q3 24
-17.1%
16.5%
Q2 24
-56.5%
28.2%
EPS (diluted)
SLAB
SLAB
WLFC
WLFC
Q1 26
$-0.07
Q4 25
$-0.30
$1.50
Q3 25
$-0.67
$3.25
Q2 25
$-0.94
$8.43
Q1 25
$2.21
Q4 24
$-0.72
$2.76
Q3 24
$-0.88
$3.37
Q2 24
$-2.56
$6.21

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
SLAB
SLAB
WLFC
WLFC
Cash + ST InvestmentsLiquidity on hand
$443.6M
$16.4M
Total DebtLower is stronger
$2.7B
Stockholders' EquityBook value
$1.1B
$662.1M
Total Assets
$1.3B
$3.9B
Debt / EquityLower = less leverage
4.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SLAB
SLAB
WLFC
WLFC
Q1 26
$443.6M
Q4 25
$439.0M
$16.4M
Q3 25
$415.5M
$12.9M
Q2 25
$424.8M
$37.3M
Q1 25
$32.4M
Q4 24
$382.2M
$9.1M
Q3 24
$369.7M
$5.8M
Q2 24
$339.2M
$5.0M
Total Debt
SLAB
SLAB
WLFC
WLFC
Q1 26
Q4 25
$2.7B
Q3 25
$2.2B
Q2 25
$2.8B
Q1 25
$2.2B
Q4 24
$2.3B
Q3 24
$2.0B
Q2 24
$1.9B
Stockholders' Equity
SLAB
SLAB
WLFC
WLFC
Q1 26
$1.1B
Q4 25
$1.1B
$662.1M
Q3 25
$1.1B
$650.2M
Q2 25
$1.1B
$617.9M
Q1 25
$565.5M
Q4 24
$1.1B
$549.3M
Q3 24
$1.1B
$517.8M
Q2 24
$1.1B
$492.4M
Total Assets
SLAB
SLAB
WLFC
WLFC
Q1 26
$1.3B
Q4 25
$1.3B
$3.9B
Q3 25
$1.2B
$3.4B
Q2 25
$1.2B
$3.9B
Q1 25
$3.3B
Q4 24
$1.2B
$3.3B
Q3 24
$1.2B
$3.0B
Q2 24
$1.2B
$2.9B
Debt / Equity
SLAB
SLAB
WLFC
WLFC
Q1 26
Q4 25
4.08×
Q3 25
3.44×
Q2 25
4.53×
Q1 25
3.95×
Q4 24
4.12×
Q3 24
3.84×
Q2 24
3.95×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
SLAB
SLAB
WLFC
WLFC
Operating Cash FlowLast quarter
$8.3M
$74.2M
Free Cash FlowOCF − Capex
$-1.6M
$66.2M
FCF MarginFCF / Revenue
-0.8%
34.2%
Capex IntensityCapex / Revenue
4.8%
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$65.8M
$252.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SLAB
SLAB
WLFC
WLFC
Q1 26
$8.3M
Q4 25
$34.3M
$74.2M
Q3 25
$4.9M
$63.9M
Q2 25
$48.1M
$104.2M
Q1 25
$41.0M
Q4 24
$10.1M
$68.0M
Q3 24
$31.6M
$86.8M
Q2 24
$16.1M
$69.8M
Free Cash Flow
SLAB
SLAB
WLFC
WLFC
Q1 26
$-1.6M
Q4 25
$27.9M
$66.2M
Q3 25
$-3.8M
$57.8M
Q2 25
$43.3M
$94.5M
Q1 25
$33.5M
Q4 24
$6.2M
$55.1M
Q3 24
$29.4M
$85.7M
Q2 24
$12.6M
$68.5M
FCF Margin
SLAB
SLAB
WLFC
WLFC
Q1 26
-0.8%
Q4 25
13.6%
34.2%
Q3 25
-2.0%
31.5%
Q2 25
24.4%
48.4%
Q1 25
21.3%
Q4 24
3.7%
36.1%
Q3 24
17.7%
58.6%
Q2 24
8.7%
45.3%
Capex Intensity
SLAB
SLAB
WLFC
WLFC
Q1 26
4.8%
Q4 25
3.1%
4.1%
Q3 25
4.5%
3.3%
Q2 25
2.7%
4.9%
Q1 25
4.7%
Q4 24
2.4%
8.4%
Q3 24
1.3%
0.7%
Q2 24
2.4%
0.9%
Cash Conversion
SLAB
SLAB
WLFC
WLFC
Q1 26
Q4 25
Q3 25
2.63×
Q2 25
1.73×
Q1 25
2.43×
Q4 24
Q3 24
3.60×
Q2 24
1.64×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

SLAB
SLAB

Sales Channel Through Intermediary$157.5M76%
Sales Channel Directly To Consumer$50.7M24%

WLFC
WLFC

Segment breakdown not available.

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